... plot(0 :20 0,Y1 (2, :),'b',0 :20 0,Y2 (2, :),'r',0 :20 0,Y3 (2, :),'g',0 :20 0,Y4 (2, : ),'m'); ylabel('Y2','fontsize',14,'fontweight','b'); grid on;hold on; subplot( 323 ); plot(0 :20 0,deltaU1(1,:),'b',0 :20 0,deltaU2(1,:),'r',0 :20 0,deltaU3(1,:),' ... on; subplot( 322 ); plot(0 :20 0,Y1 (2, :),'b',0 :20 0,Y2 (2, :),'r',0 :20 0,Y3 (2, :),'g',0 :20 0,Y4 (2, : ),'m'); ylabel('Y2','fontsize',14,'fontweight','b'); grid on;hold on; subplot( 323 ); plot(0 :20 0,deltaU1(1,:),'b',0 :20 0,deltaU2(1,:),'r',0 :20 0,deltaU3(1,:),' ... plot(0 :20 0,deltaU1 (2, :),'b',0 :20 0,deltaU2 (2, :),'r',0 :20 0,deltaU3 (2, :),' g',0 :20 0,deltaU4 (2, :),'m'); ylabel('Delta U2','fontsize',14,'fontweight','b'); grid on;hold on; 12 subplot( 325 ); plot(0 :20 0,U1(1,:),'b',0 :20 0,U2(1,:),'r',0 :20 0,U3(1,:),'g',0 :20 0,U4(1,:...